Улучшенный монтируемый на рельсе небольшой козловой кран весом 500 кг

A Single Girder Bridge Crane is an overhead bridge crane that has one 

Suspension type single girder overhead crane

Side hanging type single girder 

This crane is usually used indoors, such as workshop, plant, stockyard, etc. 

Low headroom type single girder overhead crane

For the workshop of high-tech products, or if you have requirement of low